Raising the Impact Toughness of Welded Joints of Large-Diameter Pipes Formed with the Use of Hybrid Laser-Arc Welding

被引：0
|
作者：
Tereshchenko, N. A. [1 ]
Yakovleva, I. L. [1 ]
Fedorov, M. A. [2 ]
Gizatullin, A. B. [2 ]
Esiev, T. S. [3 ]
机构：
[1] Russian Acad Sci, Inst Phys Met, Ural Branch, Ekaterinburg, Russia
[2] TMK JSC, Chelyabinsk, Russia
[3] Gazprom VNIIGAZ LLC, Razvilka, Moscow Region, Russia
来源：
METAL SCIENCE AND HEAT TREATMENT | 2023年 / 64卷 / 9-10期
关键词：
large-diameter pipes; welded joints; hybrid laser-arc welding; pipe steel; weld; heat-affected zone; bainite; impact toughness; fracture;
D O I：
10.1007/s11041-023-00853-x
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Comparative analysis of the structure and mechanical properties of welded joints of large-diameter pipes with wall thickness 30 mm produced commercially by submerged arc welding and by combination of the latter with hybrid laser-arc welding is performed. The results of impact tests and the data of fractographic studies are used to infer that that the combined welding process is more advantageous.
引用
收藏
页码：579 / 585
页数：7
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